Home / 3,484.22-4,807.85-1,992.08

Finding the Fourth Proportional to 3,484.22, 4,807.85 and 1,992.08

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Solution

The fourth proportional to 3,484.22, 4,807.85 and 1,992.08 is: 2,748.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,484.22 : 4,807.85 = 1,992.08 : x
  2. Step 2: Convert to fraction form
    3,484.22/4,807.85 = 1,992.08/x
  3. Step 3: Cross multiply
    3,484.22x = 4,807.85 × 1,992.08
  4. Step 4: Simplify right side
    3,484.22x = 9,577,623.89
  5. Step 5: Solve for x
    x = 9,577,623.89/3,484.22
  6. Step 6: Final answer
    x = 2,748.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.